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Background electrolytes (BGEs) containing two UV-absorbing probes were designed to separate and detect alkali metals and organic acids simultaneously. Imidazole, 1,2-dimethylimidazole, benzylamine, sulfosalicylic acid, trimellitic acid, and pyromellitic acid were tested as the cationic and anionic components of the BGE. By comparing the electrophoretic behavior and UV absorption characteristics...
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